Some cancer treatments such as chemotherapy and radiation therapy may increase a person's risk of developing a different type of cancer later in life. Here we discuss the risk of second cancers that may be linked to past cancer treatment.

Between 1945 and 1962, several countries tested nuclear weapons in the open air. The US government has passed several laws to compensate military veterans, people who worked in the nuclear industry, and others exposed to radiation as part of nuclear testing programs who later develop certain types of cancer or other diseases. Learn more here.

Other Types of Radiation Exposure

Not all types of radiation have been proven to cause cancer. Learn what we know about exposure to lower-energy forms of radiation and cancer risk.